<template>
    <div class="app-container">
      <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="流程名称" prop="processName">
          <el-input
            v-model="queryParams.processName"
            placeholder="请输入流程名称"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="流程分类" prop="category">
          <el-select v-model="queryParams.category" clearable placeholder="请选择" size="small">
            <el-option
              v-for="item in categoryOptions"
              :key="item.categoryId"
              :label="item.categoryName"
              :value="item.categoryId">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
      <el-row :gutter="10" class="mb8">
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>
      <el-table v-loading="loading" fit :data="processList">
        <el-table-column label="序号" width="55" align="center">
            <template slot-scope="scope">
                <span>{{ (pageParams.current-1)*pageParams.size + scope.$index + 1 }}</span>
            </template>
        </el-table-column>
        <!-- <el-table-column label="流程标识" align="center" prop="processKey" :show-overflow-tooltip="true" /> -->
        <el-table-column label="流程名称" align="center" prop="processName" :show-overflow-tooltip="true" />
        <el-table-column label="流程分类" align="center" prop="categoryName" :formatter="categoryFormat" />
        <el-table-column label="流程版本" align="center">
          <template slot-scope="scope">
            <el-button type="text" @click="handleProcessView(scope.row)">
              <el-tag size="medium" >{{ scope.row.version }}</el-tag>
            </el-button>
          </template>
        </el-table-column>
        <el-table-column label="状态" align="center">
          <template slot-scope="scope">
            <el-tag type="success" v-if="!scope.row.suspended">激活</el-tag>
            <el-tag type="warning" v-if="scope.row.suspended">挂起</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="部署时间" align="center" prop="deploymentTime" width="180"/>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              type="text"
              size="mini"
              icon="el-icon-video-play"
              @click="handleStart(scope.row)"
              v-hasPermi="['workflow:process:startList']"
            >发起</el-button>
          </template>
        </el-table-column>
      </el-table>
      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="pageParams.current"
        :limit.sync="pageParams.size"
        @pagination="getList"
      />
  
      <!-- 流程图 -->
      <el-dialog :title="processView.title" :visible.sync="processView.open" width="70%" append-to-body>
        <process-viewer :key="`designer-${processView.index}`" :xml="processView.xmlData" :style="{height: '400px'}" />
      </el-dialog>
    </div>
  </template>
  
  <script>
  import { listProcess, getBpmnXml, getProcessExternalForm } from "@/api/workflow/process";
  import { listAllCategory } from '@/api/workflow/category'
  import ProcessViewer from '@/components/ProcessViewer'
  
  export default {
    name: 'WorkProcess',
    components: {
      ProcessViewer
    },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 分页参数
        pageParams: {
          current: 1,
          size: 10
        },
        // 查询参数
        queryParams: {
          processKey: undefined,
          processName: undefined,
          category: undefined
        },
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        filterCategoryText: '',
        categoryOptions: [],
        categoryProps: {
          label: 'categoryName',
          value: 'code'
        },
        // 流程定义表格数据
        processList: [],
        processView: {
          title: '',
          open: false,
          index: undefined,
          xmlData:"",
        }
      }
    },
    created() {
      this.getCategoryList();
      this.getList();
    },
    methods: {
      /** 查询流程分类列表 */
      getCategoryList() {
        listAllCategory().then(response => this.categoryOptions = response.data)
      },
      /** 查询流程定义列表 */
      getList() {
        this.loading = true;
        listProcess(this.pageParams, this.queryParams).then(response => {
          this.processList = response.page.records;
          this.total = response.page.total;
          this.loading = false
        })
      },
      // 搜索按钮操作
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      // 重置按钮操作
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      /** 查看流程图 */
      handleProcessView(row) {
        let definitionId = row.definitionId;
        this.processView.title = "流程图";
        this.processView.index = definitionId;
        // 发送请求，获取xml
        getBpmnXml(definitionId).then(res => {
          this.processView.xmlData = res.data;
        })
        this.processView.open = true;
      },
      handleStart(row) {
        getProcessExternalForm({
          definitionId: row.definitionId,
          deployId: row.deploymentId
        }).then(res => {
          if (res.code==='200') {
            //vuex缓存参数
            let queryParams = {
              definitionId: row.definitionId,
              deployId: row.deploymentId,
              processed: false,
              showApproval: false
            };
            window.localStorage.setItem("flowableDetailParams",JSON.stringify(queryParams));

            //跳转表单路由，显示表单填写页面
            const formUrl = res.data.formUrl;
            this.$router.push({
              path: `${formUrl}`
            })
          }
        })
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('workflow/process/startExport', {
          ...this.queryParams
        }, `wf_start_process_${new Date().getTime()}.xlsx`)
      },
      categoryFormat(row, column) {
        return this.categoryOptions.find(k => k.categoryId === row.category)?.categoryName ?? '';
      }
    }
  }
  </script>
  
  <style scoped>
  
  </style>
  